140129462 has 16 divisors (see below), whose sum is σ = 230295312. Its totient is φ = 63419520.

The previous prime is 140129459. The next prime is 140129477. The reversal of 140129462 is 264921041.

It is a super-2 number, since 2×140129462² = 39272532240818888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8543 + ... + 18794.

It is an arithmetic number, because the mean of its divisors is an integer number (14393457).

Almost surely, 2^140129462 is an apocalyptic number.

140129462 is a deficient number, since it is larger than the sum of its proper divisors (90165850).

140129462 is a wasteful number, since it uses less digits than its factorization.

140129462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27583.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 140129462 is about 11837.6290700461. The cubic root of 140129462 is about 519.4094157964.

The spelling of 140129462 in words is "one hundred forty million, one hundred twenty-nine thousand, four hundred sixty-two".